Battery pack



FIG. 1 is a front left perspective view of the battery pack;

FIG. 2 is a right elevational view thereof;

FIG. 3 is a left elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the drawings represent portions of the battery pack that form no part of the claimed design. 

The ornamental design for the battery pack, as shown and described. 